Word.ws English Dictionary

Synonyms of protium

5 similar words

Another word for protium is hydrogen-1. Other synonyms of protium are hydrogen.

Synonyms and similar words for protium

nounThe lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It...

  • hydrogenSynonym of protium (“the lightest and most common isotope of hydrogen (sense 1; symbol H, ¹H, or 11H), as contrasted...
  • hydrogen-1Synonym of protium (“most common isotope of hydrogen”).
  • hydrogen 1
  • light hydrogenSynonym of protium (“"the usual isotope of hydrogen"”).
  • normal hydrogenSynonym of protium (“"the usual isotope of hydrogen"”).

Meaning of protium

  1. noun The lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.
  2. noun An atom of this isotope.

Full definition of protium

protium in other languages

Questions about synonyms of protium

What is another word for protium?
Protium has 5 synonyms on Word.ws, such as hydrogen-1 and hydrogen.
What does protium mean?
Protium means the lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.

Source and license

Adapted from Wiktionary: protium (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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